| General Information | |
| Manufacturer | Lenovo Group Limited |
| Manufacturer Part Number | 8705M9U |
| Manufacturer Website Address | www.lenovo.com/us/en/ |
| Product Line | ThinkCentre |
| Product Name | ThinkCentre A55 Desktop |
| Marketing Information | ThinkCentre A55 Desktop makes power seem effortless. It features steel chassis design for durability and serviceability and supports the latest technologies. |
| Product Type | Desktop Computer |
| Processor & Chipset | |
| Processor | 1 x Intel Core 2 Duo E4300 Dual Core 1.8GHz |
| Processor Technology | EM64T |
| Enhanced SpeedStep Technology |
| Bus Speed | 800MHz |
| Memory | |
| Standard Memory | 1GB |
| Maximum Memory | 4GB |
| Memory Technology | DDR2 SDRAM |
| Memory Standard | DDR2-533/PC2-4200 |
| Storage | |
| Hard Drive | 160GB Serial ATA 7200 rpm |
| Optical Drive | DVD-Writer - DVD-RAM/±R/±RW |
| Controllers | |
| Controller | Serial ATA |
| Display & Graphics | |
| Graphics Controller | Intel Graphics Media Accelerator 3000 Shared DDR2 SDRAM PCI Express |
| Network & Communication | |
| Network | Broadcom Gigabit Ethernet - IEEE 802.3ab |
| Interfaces/Ports | |
| Ports | RJ-45 Network |
| 1 x IEEE 1284 Parallel |
| 1 x 6-pin mini-DIN (PS/2) Keyboard |
| 1 x 6-pin mini-DIN (PS/2) Mouse |
| 1 x 9-pin DB-9 Serial |
| 1 x VGA |
| 4 x 4-pin Type A USB 2.0 - USB Rear |
| 1 x Mini-phone Microphone Front |
| 1 x Mini-phone Audio Line Out Front |
| 2 x 4-pin Type A USB 2.0 - USB Front |
| Software | |
| Operating System | Windows Vista Business |
| Physical Characteristics | |
| Color | Black |
| Case Style | Tower |
| Dimensions | 402mm Height x 175mm Width x 440mm Depth |
| Weight | 23.99 lb |
| Warranty | |
| Standard Warranty | 1 Year Limited |